Author: Uri Blass
Date: 11:06:14 06/23/01
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On June 23, 2001 at 11:23:35, Mogens Larsen wrote: >On June 23, 2001 at 10:15:53, Robert Hyatt wrote: > >>No he isn't. What do you do with a program that has a huge array with all >>chess moves precomputed and just copied from the array when it is time to >>generate moves for a specific piece on a specific square. IE Carl Ebeling's >>thesis "all the right moves" was based on hardware that did just this. What >>about hundreds of evaluation "patterns" that are stored directly in the >>program and matched when an evaluation is done. > >Well, I forgot the hardware restrictions. Not on the number of CPUs and speed, >but RAM and storage facilities. If the program you mention can function under >the determined conditions then okay. That is, if the precomputed moves are made >by that program. > >>And finally, what about humans that have memorized thousands or tens (or >>hundreds) of thousands of moves and can recite them back perfectly? > >The likelyhood of a human player to have replayed the moves sometime on a >chessboard is sufficient to allow human memory ;-). Besides, it's obvious that >humans and programs don't play the exact same game. If it's supposed to hold >interest, a balancing of strengths and weaknesses is important. > >>If crafty could simply use every game it has ever played, and I have most >>of them, that would make a formidable book. But I don't see why that would >>be any more acceptable than looking at what others have played, unless the >>GMs are given the same limitation. > >The reason is that Crafty is handed the solution, ie. "Playing e5 now is the >right move". Instead of having to figure it out by itself though play. You do >that to a large extent, because your book is generated by pgn and not handtyped. >However, Crafty is still guided by statistics of the most common move. I believe that there are also grandmaster who are guided by similiar statistics in a lot of cases because they have not time to analyze everything they remember. Do you think that they cheat? Uri
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